The Sun Isn’t Protecting You Like You Think! Here’s Why You Need to Reapply Sunscreen Every Two Hours (Or Even More Often!)
The sun is ruthless, and your sunscreen? It doesn’t magically last all day! Dr. Amande Valdes, a family medicine specialist, busts myths and warns: if you think you applied sunscreen once and that’s it, you’re dead wrong!
Why is reapplying sunscreen necessary?
Sunscreen isn’t an impenetrable armor. The general rule is to apply it every two hours. Why? Because your skin loses its protective layer, and UV rays don’t wait! If you’re swimming, sweating, or towel-drying, protection can wear off in as little as 45 minutes. Yes, you read that right — less than an hour!
Waterproof sunscreens? Don’t be fooled!
Think waterproof means you’re safe longer? Not quite. They help but don’t guarantee a full two hours of protection. Towel drying or sweating can remove sunscreen, so you need to reapply right after drying off or stopping activity.
How much sunscreen should you apply?
Many people make the mistake of applying too little. Dr. Valdes says you need about 30 grams per application — roughly a shot glass full! Yes, that’s way more than most people use. Don’t skimp if you want your skin to stay healthy.
Does higher SPF mean longer protection?
Here’s another myth: higher SPF doesn’t mean you can apply less often. SPF (Sun Protection Factor) measures how well sunscreen blocks UVB rays but doesn’t extend the duration of protection. Whether you use SPF 15, 30, or 50, the reapplication rule stays the same — every two hours.
What else can you do to protect your skin?
Sunscreen isn’t a magic shield. Even if you apply it thoroughly and regularly, it doesn’t provide 100% protection from skin damage and cancers like melanoma. So, wear hats, sunglasses, seek shade, and avoid the sun during peak hours.
And yes, a diet rich in beta-carotene can help your skin’s natural defense, but remember — no food replaces sunscreen.
The bottom line?
If you think you’re smart because you applied sunscreen once and now you’re “protected,” think again! The sun is dangerous and unforgiving. Apply sunscreen regularly, generously, and don’t forget those often-missed spots — ears, neck, feet.
Now honestly — how many of you actually apply sunscreen properly? If you’re among those who skimp or think once is enough, it’s time to change your routine. Or you’ll end up like a roasted chicken on the beach!
Share your worst sun mistakes or tips on how you avoid burns in the comments. Maybe together we’ll learn something new and save our skin from disaster!
Source: zdravlje.kurir.rs, health.clevelandclinic.org
